feat: Add browser version cleanup tests, enhance shell completion with new tests, and introduce core command definitions.

tests/completion.bats

@@ -0,0 +1,157 @@
+#!/usr/bin/env bats
+
+setup_file() {
+    PROJECT_ROOT="$(cd "${BATS_TEST_DIRNAME}/.." && pwd)"
+    export PROJECT_ROOT
+
+    ORIGINAL_HOME="${HOME:-}"
+    export ORIGINAL_HOME
+
+    ORIGINAL_PATH="${PATH:-}"
+    export ORIGINAL_PATH
+
+    HOME="$(mktemp -d "${BATS_TEST_DIRNAME}/tmp-completion-home.XXXXXX")"
+    export HOME
+
+    mkdir -p "$HOME"
+
+    PATH="$PROJECT_ROOT:$PATH"
+    export PATH
+}
+
+teardown_file() {
+    rm -rf "$HOME"
+    if [[ -n "${ORIGINAL_HOME:-}" ]]; then
+        export HOME="$ORIGINAL_HOME"
+    fi
+    if [[ -n "${ORIGINAL_PATH:-}" ]]; then
+        export PATH="$ORIGINAL_PATH"
+    fi
+}
+
+setup() {
+    rm -rf "$HOME/.config"
+    rm -rf "$HOME/.zshrc" "$HOME/.bashrc" "$HOME/.bash_profile"
+    mkdir -p "$HOME"
+}
+
+@test "completion script exists and is executable" {
+    [ -f "$PROJECT_ROOT/bin/completion.sh" ]
+    [ -x "$PROJECT_ROOT/bin/completion.sh" ]
+}
+
+@test "completion script has valid bash syntax" {
+    run bash -n "$PROJECT_ROOT/bin/completion.sh"
+    [ "$status" -eq 0 ]
+}
+
+@test "completion --help shows usage" {
+    run "$PROJECT_ROOT/bin/completion.sh" --help
+    [ "$status" -ne 0 ]
+    [[ "$output" == *"Usage: mole completion"* ]]
+    [[ "$output" == *"Auto-install"* ]]
+}
+
+@test "completion bash generates valid bash script" {
+    run "$PROJECT_ROOT/bin/completion.sh" bash
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"_mole_completions"* ]]
+    [[ "$output" == *"complete -F _mole_completions mole mo"* ]]
+}
+
+@test "completion bash script includes all commands" {
+    run "$PROJECT_ROOT/bin/completion.sh" bash
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"optimize"* ]]
+    [[ "$output" == *"clean"* ]]
+    [[ "$output" == *"uninstall"* ]]
+    [[ "$output" == *"analyze"* ]]
+    [[ "$output" == *"status"* ]]
+    [[ "$output" == *"purge"* ]]
+    [[ "$output" == *"touchid"* ]]
+    [[ "$output" == *"completion"* ]]
+}
+
+@test "completion bash script supports mo command" {
+    run "$PROJECT_ROOT/bin/completion.sh" bash
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"complete -F _mole_completions mole mo"* ]]
+}
+
+@test "completion bash can be loaded in bash" {
+    run bash -c "eval \"\$(\"$PROJECT_ROOT/bin/completion.sh\" bash)\" && complete -p mole"
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"_mole_completions"* ]]
+}
+
+@test "completion zsh generates valid zsh script" {
+    run "$PROJECT_ROOT/bin/completion.sh" zsh
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"#compdef mole mo"* ]]
+    [[ "$output" == *"_mole()"* ]]
+}
+
+@test "completion zsh includes command descriptions" {
+    run "$PROJECT_ROOT/bin/completion.sh" zsh
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"optimize:Free up disk space"* ]]
+    [[ "$output" == *"clean:Remove apps completely"* ]]
+}
+
+@test "completion fish generates valid fish script" {
+    run "$PROJECT_ROOT/bin/completion.sh" fish
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"complete -c mole"* ]]
+    [[ "$output" == *"complete -c mo"* ]]
+}
+
+@test "completion fish includes both mole and mo commands" {
+    output="$("$PROJECT_ROOT/bin/completion.sh" fish)"
+    mole_count=$(echo "$output" | grep -c "complete -c mole")
+    mo_count=$(echo "$output" | grep -c "complete -c mo")
+
+    [ "$mole_count" -gt 0 ]
+    [ "$mo_count" -gt 0 ]
+}
+
+@test "completion auto-install detects zsh" {
+    export SHELL=/bin/zsh
+
+    # Simulate auto-install (no interaction)
+    run bash -c "echo 'y' | \"$PROJECT_ROOT/bin/completion.sh\""
+
+    if [[ "$output" == *"Already configured"* ]]; then
+        skip "Already configured from previous test"
+    fi
+
+    [ -f "$HOME/.zshrc" ] || skip "Auto-install didn't create .zshrc"
+
+    run grep -E "mole[[:space:]]+completion" "$HOME/.zshrc"
+    [ "$status" -eq 0 ]
+}
+
+@test "completion auto-install detects already installed" {
+    export SHELL=/bin/zsh
+    mkdir -p "$HOME"
+    echo 'eval "$(mole completion zsh)"' > "$HOME/.zshrc"
+
+    run "$PROJECT_ROOT/bin/completion.sh"
+    [ "$status" -eq 0 ]
+    [[ "$output" == *"updated"* ]]
+}
+
+@test "completion script handles invalid shell argument" {
+    run "$PROJECT_ROOT/bin/completion.sh" invalid-shell
+    [ "$status" -ne 0 ]
+}
+
+@test "completion subcommand supports bash/zsh/fish" {
+    run "$PROJECT_ROOT/bin/completion.sh" bash
+    [ "$status" -eq 0 ]
+
+    run "$PROJECT_ROOT/bin/completion.sh" zsh
+    [ "$status" -eq 0 ]
+
+    run "$PROJECT_ROOT/bin/completion.sh" fish
+    [ "$status" -eq 0 ]
+}